- Biodiversity hotspots are regions with a high concentration of endemic species and a significant threat to their habitat. - There are four major biodiversity hotspots recognized in India or bordering India: the Himalayas, the Western Ghats, the Indo-Burma region, and Sundaland. - The Nicobar Islands are considered part of the Sundaland biodiversity hotspot. While the Andaman Islands' status is sometimes debated or grouped differently, the region encompassing Andaman and Nicobar Islands is recognized as having high biodiversity and endemism, fitting the broad description of a 'HOT‐ SPOT' region in the Indian context, particularly Nicobar Islands within Sundaland.